
        body {
            font-family: 'Arial', sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f8f9fa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .category-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .category-card {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            padding: 20px;
            transition: transform 0.3s ease;
        }
        .category-card:hover {
            transform: translateY(-5px);
        }
        .category-title {
            font-size: 1.5rem;
            color: #333;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        .subcategory-list {
            list-style-type: none;
            padding: 0;
        }
        .subcategory-item {
            padding: 8px 0;
            border-bottom: 1px solid #f1f3f5;
        }
        .subcategory-item:last-child {
            border-bottom: none;
        }
        .subcategory-link {
            text-decoration: none;
            color: #495057;
            display: block;
            transition: color 0.2s;
        }
        .subcategory-link:hover {
            color: #007bff;
        }
